Online Tools and Calculators > Health and Fitness > One Rep Max (1RM) Calculator

One Rep Max (1RM) Calculator

Weight Lifted: kg or lbs
Number of Repetitions:

About One Rep Max (1RM) Calculator

The One Rep Max Calculator is used to calculate your one-rep maximum (one repetition maximum or 1RM), which is the maximum amount of weight one can lift in a single repetition for a given exercise.


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